Granted Patent
Utility
US 5,008,093 · App. 07/434,943
Anhydrous complexes of PVP and hydrogen peroxide
Inventor:
John J. Merianos
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Nov 8, 1989
Inventor
John J. Merianos
Assignee (at issue)
GAF Chemicals Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.